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Freudenrich, Ph.D., Craig. "How Sex Works." 16 April 2001. HowStuffWorks.com. <http://health.howstuffworks.com/human-reproduction.htm> 17 May 2008.
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Please copy/paste the following text to properly cite this How Stuff Works article:
Freudenrich, Ph.D., Craig. "How Sex Works." 16 April 2001. HowStuffWorks.com. <http://health.howstuffworks.com/human-reproduction.htm> 17 May 2008.
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